I'm uncertain if you're still having the problem, the last thing you said was the other one isn't lighting, but the subject says the issue is resolved.
So, diodes are like one way streets right? And when electricity is running through it, it lights up. Now, I don't have a lot of experience with LEDs, but I would say that a bad diode would conduct electricity both ways.
If it was hooked up backwards for example, I wouldn't expect it to light up. (unless blown, though....I've never tried it.) I would expect that to be the most common error, although the picture looks right.
The other not lighting up problems would be from electricity not running through it, like,
- one side is not connected
- something internal to the piece is no longer connected
Assuming that the tube is fine, and it's the same one as before. They are "keyed" so you can only put that in one type of way. If you were using the same LEDs, and moved one to the other side when replacing the socket, then I would say there is probably some internal break in it.
Let's say that you got all new parts. I mean...it's possible that you got two bum parts, either the sockets or LEDs, but that seems unlikely.
I would take like a AA battery, and clip or tape a wire to each side of it. Now, with those two wires, touch the positive side (the nipple side) to the pin of the socket, and the negative side to the center of the socket, did it light up? Do the same to the other LED, does it light up?
